{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260419-112044-60aec2/03_小城夏天_20260419/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260419-112044-60aec2/03_小城夏天_20260419/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.7,
        "peak": -2.700000047683716,
        "rms": -16.200000762939453,
        "crest": 13.5,
        "width": 10.899999618530273,
        "low_pct": 68.9000015258789,
        "mid_pct": 26.899999618530273,
        "high_pct": 4.199999809265137,
        "centroid": 636.0,
        "bands": {
          "sub": 7.599999904632568,
          "bass": 61.29999923706055,
          "low_mid": 19.799999237060547,
          "mid": 7.099999904632568,
          "high_mid": 2.799999952316284,
          "air": 1.2999999523162842
        }
      },
      "after": {
        "lufs": -9.8,
        "peak": 0.30000001192092896,
        "rms": -12.600000381469727,
        "crest": 12.899999618530273,
        "width": 12.800000190734863,
        "low_pct": 59.20000076293945,
        "mid_pct": 35.29999923706055,
        "high_pct": 5.5,
        "centroid": 815.0,
        "bands": {
          "sub": 6.0,
          "bass": 53.20000076293945,
          "low_mid": 25.399999618530273,
          "mid": 9.899999618530273,
          "high_mid": 3.799999952316284,
          "air": 1.7999999523162842
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.1836000233888626,
        "mid_peak_hz": 60,
        "mid_peak_db": 0,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": 0.17100000381469727,
        "mid_snap_q": 1.0,
        "parallel_comp_enabled": true,
        "parallel_comp_threshold_db": -20.0,
        "parallel_comp_ratio": 8.0,
        "parallel_comp_attack_ms": 5,
        "parallel_comp_release_ms": 150,
        "parallel_comp_mix": 0.03,
        "pre_gain_db": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -2.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.0,
        "tight_hz": 120,
        "tight_db": -1.5,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 0.3,
        "comp_threshold_db": -6.0,
        "comp_ratio": 1.5,
        "comp_attack_ms": 20,
        "comp_release_ms": 100,
        "limiter_threshold_db": -1.0,
        "limiter_release_ms": 100,
        "dynamic_eq": false,
        "mp3_bitrate": 320,
        "_lowmid_boost_db": 0.5,
        "side_gain_db": 0.612000048160553,
        "_global_low": 68.9000015258789,
        "_global_mid": 26.899999618530273,
        "_global_high": 4.199999809265137
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=69% Mid=27% High=4% W=10.9% Crest=13.5",
        "   目标: Low=34% Mid=63% High=2% W=16.0% Crest=12.4",
        "   差值: ΔLow=+35% ΔMid=-36% ΔHigh=+2% ΔW=-5.1% ΔCrest=+1.1",
        "   低频偏多+35%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.5dB",
        "   高频接近目标(Δ+2%) → 微量空气感+0.3dB",
        "   LowMid偏少-31%: 600Hz=+0.5dB",
        "   Mid偏少-6%: 2.5kHz=+0.2dB q=1.0",
        "   宽度偏窄-5.1%: Side=+0.6dB",
        "   动态接近目标(Δ+1.1dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 143.6,
        "centroid": 2635.0,
        "onset_density": 4.4,
        "low_energy": 56.29999923706055
      },
      "ref": {
        "lufs": -8.2,
        "peak": 1.600000023841858,
        "rms": -10.800000190734863,
        "crest": 12.399999618530273,
        "width": 16.0,
        "low_pct": 34.20000076293945,
        "mid_pct": 63.29999923706055,
        "high_pct": 2.5,
        "centroid": 718.0,
        "bands": {
          "sub": 0.0,
          "bass": 34.20000076293945,
          "low_mid": 50.400001525878906,
          "mid": 12.800000190734863,
          "high_mid": 2.4000000953674316,
          "air": 0.10000000149011612
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260419-112044-60aec2/03_小城夏天_20260419/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260419-112044-60aec2/03_小城夏天_20260419/suno_mixed_1.mp3",
      "before": {
        "lufs": -13.6,
        "peak": -1.7999999523162842,
        "rms": -16.299999237060547,
        "crest": 14.5,
        "width": 16.700000762939453,
        "low_pct": 63.900001525878906,
        "mid_pct": 29.799999237060547,
        "high_pct": 6.300000190734863,
        "centroid": 867.0,
        "bands": {
          "sub": 5.699999809265137,
          "bass": 58.20000076293945,
          "low_mid": 23.299999237060547,
          "mid": 6.400000095367432,
          "high_mid": 2.700000047683716,
          "air": 3.5999999046325684
        }
      },
      "after": {
        "lufs": -9.9,
        "peak": 0.30000001192092896,
        "rms": -12.899999618530273,
        "crest": 13.199999809265137,
        "width": 16.600000381469727,
        "low_pct": 53.099998474121094,
        "mid_pct": 38.79999923706055,
        "high_pct": 8.100000381469727,
        "centroid": 1092.0,
        "bands": {
          "sub": 5.0,
          "bass": 48.20000076293945,
          "low_mid": 30.0,
          "mid": 8.800000190734863,
          "high_mid": 3.5,
          "air": 4.599999904632568
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "mid_peak_db": 0,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": 0.19200000166893005,
        "mid_snap_q": 1.0,
        "parallel_comp_enabled": true,
        "parallel_comp_threshold_db": -20.0,
        "parallel_comp_ratio": 8.0,
        "parallel_comp_attack_ms": 5,
        "parallel_comp_release_ms": 150,
        "parallel_comp_mix": 0.03,
        "pre_gain_db": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -2.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.0,
        "tight_hz": 120,
        "tight_db": -1.3910000324249268,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": -0.36000001430511475,
        "comp_threshold_db": -6.0,
        "comp_ratio": 1.5,
        "comp_attack_ms": 20,
        "comp_release_ms": 100,
        "limiter_threshold_db": -1.0,
        "limiter_release_ms": 100,
        "dynamic_eq": false,
        "mp3_bitrate": 320,
        "_lowmid_boost_db": 0.5,
        "side_gain_db": 0.0,
        "_global_low": 63.900001525878906,
        "_global_mid": 29.799999237060547,
        "_global_high": 6.300000190734863
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=64% Mid=30% High=6% W=16.7% Crest=14.5",
        "   目标: Low=34% Mid=63% High=2% W=16.0% Crest=12.4",
        "   差值: ΔLow=+30% ΔMid=-34% ΔHigh=+4% ΔW=+0.7% ΔCrest=+2.1",
        "   低频偏多+30%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.4dB",
        "   高频偏多+4%: 空气感=-0.1dB",
        "   LowMid偏少-27%: 600Hz=+0.5dB",
        "   Mid偏少-6%: 2.5kHz=+0.2dB q=1.0",
        "   Air偏多+3.5%: 空气感再降0.3dB→-0.4dB",
        "   宽度接近目标(Δ+0.7%) → Side增益归零",
        "   动态接近目标(Δ+2.1dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "edm",
        "confidence": "high",
        "source": "audio",
        "bpm": 143.6,
        "centroid": 3241.0,
        "onset_density": 3.7,
        "low_energy": 57.20000076293945
      },
      "ref": {
        "lufs": -8.2,
        "peak": 1.600000023841858,
        "rms": -10.800000190734863,
        "crest": 12.399999618530273,
        "width": 16.0,
        "low_pct": 34.20000076293945,
        "mid_pct": 63.29999923706055,
        "high_pct": 2.5,
        "centroid": 718.0,
        "bands": {
          "sub": 0.0,
          "bass": 34.20000076293945,
          "low_mid": 50.400001525878906,
          "mid": 12.800000190734863,
          "high_mid": 2.4000000953674316,
          "air": 0.10000000149011612
        }
      }
    }
  ],
  "time": 43.6
}